Baffle plate in valve chamber



April 5, 1927. 1,623,322

A'. TAUB BAFFLE PLATE IN VALVE CHAMBER Filed July 1'7. 1926 the crankcase.

Patented Apr. 5, 1927.

or DETROIT, ivrroniean, A oonronnrronor DELAWARE.

BAFFLE15LATE IN vanvn cnAMBER.

Application filed July 17,

7 between the tappet rods and their guides.

For an understanding of the invention reference is made to the followingdescription and to the drawings which accompany the specification.

In the drawing;

Fig. 1 is a transverse section through a part of an internal combustionengine having an embodiment of my invention incorporated therein Fig. 2is a plan view of the bafitle plate.

Referring by reference characters to the drawing: Numeral 1 1s used todesignate a motor block having as a part thereof a cylinder-3 and theupper portion'of the crank case 5. lVithin the latter are bearings for acam shaft, one of such bearings being shown at 7. The shaft 9 rotatingin said bearings. has cams 11 to reciprocate tappet rods 13 in guides15, thereciprocation of the rods moving the valves 17 as wellunderstood. The valve guide 15 is secured in position by a bolt 10threaded into the engine block and extended diagonally through theguide.

Lubricating oil is likely to escape from the crank case through thetappet openings 18 and around the lower part of the guide. Also oiloverflows from between the tappet rods and the guides to the uppersurface of To restore this escaping oil I make use of alongitudinalchannel 21 formed between the outwardly and downwardly sloping upperwall 22 of the crank case and a marginal ledge 23. From this channelopenings 25 lead into the crank case for restoring any oil whichcollects in the channel 21.

To prevent the escape of oil through openings 18 to as great an extentas possible,

there is used a battle plate 27 which is elongated and has openings 29of a sue to receive the guides and also openings 31, to register withopenings 25. A recess 33 may be 1926. Serial No. 123,122.

' i zana formed in the engine block to receive the inner end of'thebafiie plate. Preferably portions are cut from the baflie plateas at 35communicatingwith openings 29 to facilitate assembly. I

The bafile plate is preferably formed from a sheet of resilientmaterial. It will be observed that its upper surface is engaged by alower surfacef37 of the guide. Owing to the position of the bolt in theguide. the

guide has a downward movement as well as an inward movement when beingassembled. The downward component is utilized to compress the resilientbaiile plate so that it tightly engages the walls of the crank caseopening and reduces to a minimum the escape of oil.

The valve chamber may be covered by the usual plate 37 and securing bolt39.

I claim:

1. In an engine, a casing having a longitudinal channel upon its uppersurface, there being an opening from said channel into said casing, thecasing having a tappet opening and a tappet guide associated therewith,means associated with said guide and closing said opening to restrictthe escape of fluid.

2. ln'an engine, a casing having atappet opening, a tappet guideadjacent said opening, a bafile positioned over said opening and engagedby said guide, means to assemble said guide in position andsimultaneously depress sald baffle into engagement with the casingadjacent the guide opening.

3. In an engine, a casing having a tappet opening, a tappet guideadjacent the open ing, a battle surrounding the guide to close theopening, means associated with said tappet guide to draw the guide intoposition and to depress the battle into engagement with the casing wallabout the tappet opening. V j

4. For association with the tappet guides of an engine, a battle havinga plurality of openings to encircle the guides and close the openingstherefor in the engine case and a second series of small openings toregister with drain openings in the engine'case.

5. An engine casing having a valve tappet opening and a drain opening inits upper wall, a valve tappet guide adjacent said first mentionedopening, a baflie completing with said guide the closure of saidopening, the baffle having a second opening for registration with thesaid drain opening.

6; A-nengine' crank case having a valve closure of said opening andengaged by a Y ta .eto enin a ta) et 'uide ad'aeent said Jartfoi saiduide Whereb when the uide 10 V 237 b b y t 8) opening, a diagonal boltfor securing said is moved downwardly to operative position guide inposition whereby the movement of the baflle is compressed into tightfitting said'guide on said bolt shall have adown engagement withthecrank case. 7 Ward component, a resilient b'afile plate sin Intestimony whereof I aflix my signature. rounding that portion of said.guide adjacent r the crankcase opening completing the en- V ALEX TAUB. e

